<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<script>
    var sum=0;
    for (var i = 0;i <= 100;i++) {
        if (i % 7 == 0) {
            sum = sum + i;
        }
    }
    console.log(sum);
</script>
<body>

</body>
</html>